Drip chamber with outer axial ribs for infusion or transfusion medical lines



FIG. 1 is a perspective view of the top and side of a drip chamber with outer axial ribs for infusion or transfusion medical lines showing our new design;

FIG. 2 is a side elevational view showing one of the ribs, the other ribbed sides being identical;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a drip chamber with outer axial ribs for infusion or transfusion medical lines, as shown and described. 